<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        a{
            text-decoration: none;
            /* color: #000; */
        }
        .btn{
            width: 150px;
            display: block;
            background-color: tomato;
            font-size: 18px;
            line-height: 50px;
            text-align: center;
            color: #fff;
        }
    </style>
</head>
<body>
    <a href="https://www.baidu.com" class="btn" target="">
        点击进入官网
    </a>
</body>
</html>